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Table 1 Symptom questions and categories

From: Concentration-dependent increase in symptoms due to diesel exhaust in a controlled human exposure study

Symptom category

Question

Chest

Please rate your level of throat irritation

 

Do you feel a need to cough?

 

Do you suffer from shortness of breath right now?

 

Are you currently experiencing a whistling or hissing sound while breathing?

 

Are you experiencing chest pain?

Constitutional

Is your skin itchy or dry?

 

Are you sweating right now?

 

Do you have a fever right now?

 

How would you rate your general wellbeing?

Eye

Do your eyes itch or sting?

 

Please rate how dry your eyes are right now

 

Are your eyes running or watering?

Neurological

Do you feel sleepy or drowsy?

 

Do you have a headache right now?

 

Do you find it difficult to concentrate?

 

Are you currently feeling nauseous?

Nose

Does your nose feel irritated, itchy, stinging or dry?

 

Do you currently have a runny nose?

 

Is your nose blocked right now?

  1. Symptom scores (standardized to a 10 cm scale) were summed within each category and also as a total including all categories for analysis